From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yongseok Koh Subject: [PATCH v6 2/2] app/testpmd: conserve offload flags of mbuf Date: Wed, 25 Apr 2018 18:10:10 -0700 Message-ID: <20180426011010.28078-2-yskoh@mellanox.com> References: <20180310012532.15809-1-yskoh@mellanox.com> <20180426011010.28078-1-yskoh@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain Cc: dev@dpdk.org, konstantin.ananyev@intel.com, arybchenko@solarflare.com, stephen@networkplumber.org, thomas@monjalon.net, adrien.mazarguil@6wind.com, nelio.laranjeiro@6wind.com, Yongseok Koh To: wenzhuo.lu@intel.com, jingjing.wu@intel.com, olivier.matz@6wind.com Return-path: Received: from EUR01-VE1-obe.outbound.protection.outlook.com (mail-ve1eur01on0071.outbound.protection.outlook.com [104.47.1.71]) by dpdk.org (Postfix) with ESMTP id 7DE487CDB for ; Thu, 26 Apr 2018 03:10:41 +0200 (CEST) In-Reply-To: <20180426011010.28078-1-yskoh@mellanox.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch is to accommodate an experimental feature of mbuf - external buffer attachment. If mbuf is attached to an external buffer, its ol_flags will have EXT_ATTACHED_MBUF set. Without enabling/using the feature, everything remains same. If PMD delivers Rx packets with non-direct mbuf, ol_flags should not be overwritten. For mlx5 PMD, if Multi-Packet RQ is enabled, Rx packets could be carried with externally attached mbufs. Signed-off-by: Yongseok Koh --- app/test-pmd/csumonly.c | 3 +++ app/test-pmd/macfwd.c | 3 +++ app/test-pmd/macswap.c | 3 +++ 3 files changed, 9 insertions(+) diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index 5f5ab64aa..bb0b675a8 100644 --- a/app/test-pmd/csumonly.c +++ b/app/test-pmd/csumonly.c @@ -770,6 +770,9 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) m->l4_len = info.l4_len; m->tso_segsz = info.tso_segsz; } + if (!RTE_MBUF_DIRECT(m)) + tx_ol_flags |= m->ol_flags & + (IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF); m->ol_flags = tx_ol_flags; /* Do split & copy for the packet. */ diff --git a/app/test-pmd/macfwd.c b/app/test-pmd/macfwd.c index 2adce7019..ba0021194 100644 --- a/app/test-pmd/macfwd.c +++ b/app/test-pmd/macfwd.c @@ -96,6 +96,9 @@ pkt_burst_mac_forward(struct fwd_stream *fs) ð_hdr->d_addr); ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr->s_addr); + if (!RTE_MBUF_DIRECT(mb)) + ol_flags |= mb->ol_flags & + (IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF); mb->ol_flags = ol_flags; mb->l2_len = sizeof(struct ether_hdr); mb->l3_len = sizeof(struct ipv4_hdr); diff --git a/app/test-pmd/macswap.c b/app/test-pmd/macswap.c index e2cc4812c..b8d15f6ba 100644 --- a/app/test-pmd/macswap.c +++ b/app/test-pmd/macswap.c @@ -127,6 +127,9 @@ pkt_burst_mac_swap(struct fwd_stream *fs) ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); ether_addr_copy(&addr, ð_hdr->s_addr); + if (!RTE_MBUF_DIRECT(mb)) + ol_flags |= mb->ol_flags & + (IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF); mb->ol_flags = ol_flags; mb->l2_len = sizeof(struct ether_hdr); mb->l3_len = sizeof(struct ipv4_hdr); -- 2.11.0